As expected new firmwares for SONY Xperia Z and Xperia ZL are available and users are able to upgrade their phones to the new update. There are too much improvements in performance and also have to much bug fixes, touch system and signal, the system is totally based on the latest and android 4.2.2(JELLY BEAN).

There is no official news about the improvements but there is a list of improvements listed by the users.

  • More smooth Boot animation
  • Efficient RAM management
  • Home launcher is smoother, no more lag
  • Update Center has new UI
  • 3G Signal strength improved
  • Touch response is improved a lot
  • Faster sleep and wake
  • Low-light image quality improved
  • Changes in car mode app
  • High resolution image snapping while recording a non-HDR video
  • No screen flickering
  • No unusual battery reading bug


Some recently updated SONY smartphone also contains ROM improvements and also running in 4.2.2(JELLY BEAN). Anyway, it’s good to see Sony is taking good care of its flagships and is pushing faster than ever firmware updates.

For Detailed review of Xperia Z: Click here.

For Detailed review of Xperia ZL: Click here.


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